BibFormats

Proj:  Projection

Record Type

BIB

Bytes

MAP: 008/22-23; 006/05-06

Input Standards

MAP: Optional. Two-character code. Default: blank character blank character

Definition

  
MAP, 006

If a map specifies a type of projection, enter the two-character code in Proj and the projection statement in field 255 subfield ǂb. If a map does not specify a projection, leave Proj coded blank.

Codes

  
 
blank characterblank character

Project not specified. No projection is specified on the item. Use for most globes.
fill characterfill character

No attempt to code
 

Azimuthal

 

aa

Aitoff
ab

Gnomic
ac

Lambert's azimuthal equal area
ad

Orthographic
ae

Azimuthal equidistant
af

Stereographic
ag

General vertical near-sided
am

Modified stereographic for Alaska
an

Chamberlin trimetric
ap

Polar stereographic
au

Azimuthal, specific type unknown. Only the projection type (azimuthal) is known, not the specific projection.
az

Azimuthal, other. None of the other codes for azimuthal projections is appropriate.
 

Cylindrical

 

ba

Gall
bb

Goode's homolographic
bc

Lambert's cylindrical equal area
bd

Mercator
be

Miller
bf

Mollweide
bg

Sinusoidal
bh

Transverse Mercator
bi

Gauss-Kruger
bj

Equirectangular
bk

Krovak
bl

Cassini-Soldner
bo

Oblique Mercator
br

Robinson
bs

Space oblique Mercator
bu

Cylindrical, specific type unknown. Only the projection type (cylindrical) is known, not the specific projection.
bz

Cylindrical, other. None of the other codes for cylindrical projections is appropriate.
 

Conic

 

ca

Alber's equal area
cb

Bonne
cc

Lambert's conformal conic
ce

Equidistant conic
cp

Polyconic
cu

Conic, specific type unknown. Only the projection type (conic) is known, not the specific projection.
cz

Conic, other. None of the other codes for conic projections is appropriate.
 

Other projections

 

da

Armadillo
db

Butterfly
dc

Eckert
dd

Goode's homolosine
de

Miller's bipolar oblique conformal conic
df

Van Der Grinten
dg

Dymaxion
dh

Cordiform
dl

Lambert conformal
zz

Other. None of the other codes is appropriate.
 

Azimuthal

Proj     ac
255     Scale 1:10,000,000 ; ǂb Lambert azimuthal equal area projection ǂc (W 85°--W 20°/N 15°--S 60°)
Proj     ae
255     Scale 1:8,721,000. 1 cm = 87 km. 1 in = 138 miles ; ǂb Azimuthal equidistant projection ǂc (W 180°--E 180°/N 90°--N 60°)

Cylindrical

Proj     bc
255     Scale 1:900,000 ; ǂb Lambert's cylindrical equal area projection
Proj     bh
255     Scale 1:24,000 ; ǂb transverse Mercator projection ǂc (W 117°00ʹ00ʺ--W 111°00ʹ00ʺ/N 49°00ʹ00ʺ--N 42°00ʹ00ʺ)

Conic

Proj     cc
255     Scale 1:2,250,000 ; ǂb Lambert's conformal conic projection ǂc (W 63°--W 54°/S 19°15ʹ--S 27°30ʹ)
Proj     cp
255     Scale 1:126,720 ; ǂb Polyconic projection ǂc (W 90°53ʹ00ʺ--W 90°15ʹ10ʺ/N 37°15ʹ00ʺ--N 36°42ʹ00ʺ)

Other projections

Proj     dd
255     Scale approximately 1:28,000,000 ; ǂb Goode's homolosine equal area projection
Proj     df
255     Scale 1:40,053,000 ; ǂb Van der Grinten projection

Indexing

This fixed field element is not indexed.

MARC 21

For more information, including content designator history, see MARC 21 Format for Bibliographic Data, 008/22-23 (Maps).

This page last updated: 2025-08-04 · Report an error in WorldCat · Submit a suggestion for this page · Get help with general cataloging questions